1ZX8

CRYSTAL STRUCTURE OF an atypical cyclophilin (peptidylprolyl cis-trans isomerase) (TM1367) FROM THERMOTOGA MARITIMA AT 1.90 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	4.2	277	0.2M NaCl, 50.0% PEG-200, 0.1M Phosphate Citrate, pH 4.2, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.083	α = 90
b = 132.875	β = 90
c = 41.319	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 325 mm CCD		2005-03-30	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.89194, 0.97934	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.9	29.08	99.8	0.067	0.067	6.9	3.6		34243

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.95		99.8	0.6	0.6	1.2	3.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.9	29.07	32474	1729	99.62	0.168	0.166	0.21	RANDOM	29.32

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.98			-2.4		1.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.488
r_dihedral_angle_3_deg	13.84
r_dihedral_angle_4_deg	11.798
r_scangle_it	7.389
r_dihedral_angle_1_deg	6.874
r_scbond_it	5.581
r_mcangle_it	3.235
r_mcbond_it	2.43
r_angle_refined_deg	1.684
r_angle_other_deg	1.442
r_mcbond_other	0.677
r_symmetry_vdw_refined	0.293
r_symmetry_vdw_other	0.265
r_nbd_refined	0.198
r_nbtor_refined	0.18
r_nbd_other	0.177
r_xyhbond_nbd_refined	0.177
r_symmetry_hbond_refined	0.164
r_chiral_restr	0.096
r_nbtor_other	0.09
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2969
Nucleic Acid Atoms
Solvent Atoms	243
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing